Finding the Fourth Proportional to 181,704.10, 272,446.80 and 93,130.60
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Solution
The fourth proportional to 181,704.10, 272,446.80 and 93,130.60 is: 139,639.85
Step by Step Solution
- Step 1: Write the proportion equation
181,704.10 : 272,446.80 = 93,130.60 : x - Step 2: Convert to fraction form
181,704.10/272,446.80 = 93,130.60/x - Step 3: Cross multiply
181,704.10x = 272,446.80 × 93,130.60 - Step 4: Simplify right side
181,704.10x = 25,373,133,952.08 - Step 5: Solve for x
x = 25,373,133,952.08/181,704.10 - Step 6: Final answer
x = 139,639.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.